chess without checkThe only allowed checks are checkmates.
white Qf3 Kb5 Bc7 Sa5
black Qg1 Pd7a7d5e7h3f7g7 Ka8 Ra6
#3 chess without check(4+10)
{Tries}
1.Qf3*d5 + {illegal} Ra6-c6 {}
1.Qf3*f7 ? Qg1-g6 ! {makes it illegal} 2.Qf7-e8 {or} 2.Qf7-f8 {or} 2.Qf7-g8 {because of } Qg6-e8 ! {}
1.Qf3-h5 ! {(threatening} 2.Qh5-h8 # {)}
1...Ra6-h6
2.Qh5*f7 {(threatening} 3.Qf7-g8 # {or} 3.Qf7-e8 # {or} 3.Qf7-f8 # {)}
2...Qg1-g6
3.Qf7*d5 # {
c'est bien mat car } 3...Qg6-c6 {would be illegal
The rook has crossed the critical square g6 and is intercepted.}
white Qd3 Pa3g3h4e4 Kg5
black Bd2 Kc5 Qh1 Pb3b5b6c7f4 Sc4e3 Rb4
#3 chess without check(6+11)
{}
1.Kg5*f4 ! {(menace} 2.Qd3-d5 # {)}
1...c7-c6
2.e4-e5 {(menace} 3.Qd3-d6 # {)}
2...Qh1-d5
3.Qd3*e3 # { The 3 black units can only parry by illegally checking.}
3...Sc4*e3 + ? 4.a3*b4 +
réflexWhen a mating move is presented to one of the two sides, he is obliged to play it
PatrolTo capture or give a check, a unit must be supported (observed) by a piece of one's own side
white Bf6f5 Kc3 Qc2 Pc6g6d2b4e7e6 Sb7 Rb3b5
black Bg7b1 Ka2 Qa1 Pc7b6g5h2d3a3 Sd6b2 Rd8h8
r#2 Patrol(13+14)
{}
1.Qc2-d1 ? threat:
2.Rb3*b2 +
2...Qa1*b2 #
1...Sd6-e4 ! {}
1.Qc2*b1 ? threat:
2.Rb3*b2 +
2...Qa1*b2 #
1...Sd6-c8 2.Bf5*d3 + Rd8*d3 + 3.Kc3-c2
{}
1.Qc2-c1 ! {threatening} 2.Rb3*b2 + 2...Qa1*b2 # {
what we would have on } 1...Rh8-h7 {or} 1...Sb2-c4 {display-departure-file} {}
1...Sd6-c8
2.Bf5*d3
2...Rd8*d3 # {}
1...Sd6*f5
2.Bf6-d4
2...Bg7*d4 # {}
1...Sd6*b5
2.Sb7-a5
2...Rd8-d5 # {}
1...Sd6-e8
2.Sb7-c5
2...Bg7*f6 # {}
1...Sd6-e4
2.Bf6-e5
2...h2-h1=Q #
2...h2-h1=B # {}
2.Bf5*d3
2...Rd8*d3 # {}
1...Sd6-c4 {display-departure-file} {oru} 1...Sd6-f7 {or} 1...Sd6*b7
2.Bf5*d3
2...Rd8*d3 #
Mars Circethe piece which wants to capture is first transferred to the square it occupied at the beginning of the game.
(according to the rules of the normal Circé), which must be free.
white Qe3 Pb7a4b4c3e6f5h7h2 Sa8b8 Kg1
black Pa5b5c5h4 Kc4 Rh1
#13 Mars Circe(12+6)
{}
1.h7-h8=S! h4-h3 {(single move, squares b3, d3 & d3 & d3
d5 being guarded by the Queen, via d1 and no Black pawn being able to capture
from another square than a7, b7 or c7)} 2.Sh8-g6 h3*g6 3.Sb8-d7 {(here, } 3...Kc4*d7 {from
e8 is not possible because the Q control d7)} 3...g6-g5 {(} 4.e6-e7 ? Kc4*e7 ! {)} 4.b7-b8=Q g5-g4 5.Qb8-e8 g4-g3 6.e6-e7
g3-g2 7.Qe3-h6 g2*h6 8.f5-f6 h6-h5 9.f6-f7 h5-h4 10.f7-f8=Q {(will relay the Qe8 scheduled for sacrifice)}
h4-h3 {(} 11.Sa8-b6 ? a5*b6 {ou} 11...c5*b6 {)} 11.Sa8-c7 Rh1*e8 {(via a8) (and here} 12.Sd7-b8 ? Re8-d8 ! {couvrira en d3)} 12.Sc7-a8 {!! (retour) et maintenant seul un coup de la Te8 est possible, par exemple} Re8-d8 13.e7-e8=B # {via f1. 3/4 d'AUW mais quelle épopée...
}
sata King is in check when he threatens to play on a square where he is not in check in the traditional sense.
It is mate if the King cannot forbid himself this "free" square.
Royal GrasshopperThe Royal Grasshopper e6 is not in " check " because if it goes to h3,.
she would be observed by her white colleague c8.
white Qd5 Pb3g4 Bd8 Rd1 Se5
white Royal Gc8
black Pa2b5a6g6g5h2 Sf6h7 Bg1
black Royal Ge6
s#2 SAT(7+10)🨟c8, 🨥e6: Royal Grasshopper
{}
1.Qd5-h1 ! {(threatening} 2.Se5-f7 + 2...Sf6-g8 # {)}
1...Sh7-f8 {(} 2.Se5-f7 + ? Sf6-g8 + {no longer mating :} 3.Bd8-a5 {because g8 is observed by the bK)}
2.Qh1*h2 + {checks by giving e4 to the Black King and the only parry is } 2...Sf6-e4 # {which checkmate because the wK now has e8 and, if the B plays, g8 }
1...Bg1-e3 {(} 2.Se5-f7 + ? rBGe6-h3 ! {because the bK no longer has d3, h1 or h8)} 2.Se5-d7 + {
the squares e2 & h3 have been given to the bK, but he cannot play in h3 because he would have h8, therefore is forced to play} 2...rBGe6-e2 # {
Note that} 2...rBGe6*c8 {is illegal because of the e8 square which is free and accessible)}
1...Bg1-d4 {(} 2.Se5-f7 + ? Sf6-g8 {no longer mating :} 3.Bd8-a5 {because h8 is observed by the bB)}
2.Se5-c4 + {the bK has b3, therefore is forced} 2...rBGe6*b3 # {after which the wK will have h3 ;}
2...rBGe6-h3 {illegal cause of h8,} 2...Sf6-d5 {cause of h6)} 2...rBGe6*b3 #
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